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Caterpillar SEM921 Motor Grader

Caterpillar SEM921 Motor Grader

  • Min.Order Quantity: 1 Set
  • Supply Ability: 200 Sets per Month
  • Port: Any China Port
  • Payment Terms: L/C,T/T
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Verified Supplier SEM Machines Co.,LTD
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Experience:1989-02-28
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Product Details
  • Size:  88
  • Place of Origin:  Qingzhou
  • Brand Name:  CATERPILLAR
  • Model Number:  SEM921
  • Weight: 17000.000 kg

Caterpillar SEM921 Motor Grader

• Cab mounted on the front frame provides exceptional view to blade and front axle even during articulation
• Large cab with 1.9m height and 30% larger space than most competitors , provides exceptional comfort
• Proportional Priority Pressure Compensating (PPPC) Valves contain specifically cut spools for motor grader applications, continuously matching of hydraulic flow and pressure to power demands, allowing ease of multi-function control  for optimizing working efficiency
• World-class variable displacement piston pump, efficiently reduces power consumption and hydraulic system heat, improving fuel efficiency
• Load-sensing hydraulic system provides consistent and precise blade movement, improving finishing performance
• Inboard lock check valves within PPPC, prevents inadvertent cylinder movement and potential leaks
7 Position Link Bar
• 7 position link bar with electric over hydraulic control allows ease of operation from within the cab
• Optimum blade reach capability, quick DCM re-positioning for greater reach for better working on high bank side slope
• The link bar is essential for extending reach capability when cutting a bank slope or back slope of a ditch
• Replaceable bushings reduce service time and cost
• Standard blade float function allows blade to lower without hydraulic pressure for increased versatility
• Blade float is engaged by pushing the left and right lift cylinder controls all the way forward past the detent
• Provides protection for machine and pavement during snow removal and snow plowing
• A-frame tubular design drawbar provides maximum strength and durability
• Replaceable drawbar draft ball (bolted – not welded) for less service time and cost
• Easy removal of wear shims to adjust drawbar
• Flanged box section design removes welds from high stress areas, improving reliability and durability
• Continuous top and bottom plate construction provides consistency and strength, improving front frame durability
• Hydraulic hose routing minimizes exposure to damage and provides quick access for service
• Maintenance-free bushings improve durability and reduce overall service cost
• Short throw levers are efficiently spaced, allowing ease of multi-function control

• Short lever travel (40mm) with low lever effort reduces operator fatigue

Items Unit SEM921
Operation Weight kg 15930
Overall Dimensions (L*W*H) mm 8854*2630*3360
Blade Length(L*W*H) mm 4279*25*607
Max. Lifting Height mm 475
Max. Depth of Cut mm 715
Max. Drawbar kN ≥85
Wheelbase mm 6140
Frame Articulation Angle ° 20
Min. Turning Radius m 7.8
Engine Brand - SDEC  SC8D220G2
Rated power kw 162
Transmission Type - Hangchi 6WG180
Travel Speed(Forward/Rear) km/h 40/25
Rear Axle/Tandem - Meritor 18MRH-X240
Service brake - Drum type shoe brake, Air to oil control
Oscillation(Front up/Rear up) ° 15/25
Max. Oscillation Angle ° ±16
Steering Angle (Left/Right) ° 47.5
Max. Lean Angle of Front Wheels ° 18
Hydraulic System   Load Sensing


  • Size:  88
  • Place of Origin:  Qingzhou
  • Brand Name:  CATERPILLAR
  • Model Number:  SEM921
  • Weight: 17000.000 kg
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